revisionist.go

// Please see discussion and usage instructions at
// https://dev.to/lbonanomi/sterilizing-bash-history-5455
//

package main

import (
"bufio"
"fmt"
"os"
"regexp"
"strings"
)

funccurl_u(cmdlinestring)(afterstring) {
curl:=regexp.MustCompile(`:\S+?\s+\b`)
after=curl.ReplaceAllString(cmdline, ":REDACTED ")
return
}

funchttps_creds(cmdlinestring)(afterstring) {
pattern:=regexp.MustCompile(`https://(\S+?):\S+?@`)
after=pattern.ReplaceAllString(cmdline, "https://REDACTED:REDACTED@")
return
}

funcheader_creds(cmdlinestring)(afterstring) {
pattern:=regexp.MustCompile(`(-H|--header)\s.*?(token|auth.*?)\s\S+?\s`)
after=pattern.ReplaceAllString(cmdline, "-H AUTH_HEADER_REDACTED ")
return
}


funcmain() {
reader:=bufio.NewReader(os.Stdin)

for {
text, _:=reader.ReadString('\n')

if (text=="") {
break
 }

newtext:=""

for_, word:=range(strings.Fields(text)[1:]) { // Remove history line number
newtext=newtext+" "+word//
 }

// Redact credential patterns
//

text=newtext

text=curl_u(text)
text=https_creds(text)
text=header_creds(text)

fmt.Println(text)
 }
}